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Lexar SL660 1TB vs SanDisk Extreme Pro 4TB

Compare Lexar SL660 1TB and SanDisk Extreme Pro 4TB side by side. Both are 1TB USB 3.2 Gen 2x2 external SSDs, but they differ in speed, design, and value. Here's how they stack up.

Lexar

Lexar SL660 1TB

8.1/10

A premium 2000 MB/s Gen 2x2 portable with an aluminum body and an RGB-lit Logo. The RGB is a divisive feature but the performance is real, and the build quality distinguishes it from cheaper Gen 2x2 peers like the Patriot Evlvr.

Gen 2x2 2000/2000 MB/s

Aluminum body

3-year warranty

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Our Pick

SanDisk

SanDisk Extreme Pro 4TB

9.2/10

Extreme 4TB portable SSD with 2000MB/s speeds and IP55 rating. The ultimate high-capacity drive for professionals on the go.

4TB capacity with 2000MB/s read and write

IP55 water and dust resistance

5-year warranty

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Spec Comparison

Spec

Lexar SL660 1TB

SanDisk Extreme Pro 4TB

Read Speed

2.0 GB/s

Write Speed

2.0 GB/s

Capacity

1 TB

4 TB ✓

Interface

USB 3.2 Gen 2x2

Endurance (TBW)

600 TB

1,200 TB ✓

Warranty

3 Years

5 Years ✓

Score

8.1/10

9.2/10 ✓

Total Wins

0 wins

4 wins

Frequently Asked Questions

Which is better, Lexar SL660 1TB or SanDisk Extreme Pro 4TB?

The SanDisk Extreme Pro 4TB scores 9.2/10 compared to 8.1/10 for the Lexar SL660 1TB. Our expert analysis favors the SanDisk Extreme Pro 4TB for its superior value.

What's the difference between Lexar SL660 1TB and SanDisk Extreme Pro 4TB?

The key differences: The Lexar SL660 1TB offers 2,000 MB/s reads vs 2,000 MB/s for the SanDisk Extreme Pro 4TB. Capacity options differ: Lexar SL660 1TB is 1TB while SanDisk Extreme Pro 4TB is 4TB. The Lexar SL660 1TB uses USB 3.2 Gen 2x2 while the SanDisk Extreme Pro 4TB uses USB 3.2 Gen 2x2.

Which is faster, Lexar SL660 1TB or SanDisk Extreme Pro 4TB?

Both drives offer the same 2,000 MB/s read speeds.

Which has better value, Lexar SL660 1TB or SanDisk Extreme Pro 4TB?

The SanDisk Extreme Pro 4TB scores higher (9.2 vs 8.1/10), indicating better overall value in our evaluation. Check both models on the retailer's site for the latest details.

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